Seq

Unclaimed Editor reviewed

Structured log search and analysis

Log Management Developer Tools Analytics

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FreemiumVisit Website

Reviews onSourceForge

2 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Structured logging

Biggest con

.NET focused

TL;DR - Seq

Seq is a log management server for structured logs from .NET apps
It provides search, dashboards, and alerting for application logs
Free for single user, Team at $25/month

Pricing: Free plan available

Best for: Growing teams

What is Seq?

Editorial review

Seq centralizes logs with powerful search. Log server for .NET and beyond-structured logging made searchable. The query language is powerful. The .NET integration is native. The self-hosting works. Teams wanting log search server use Seq for structured log analysis.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourcedatalust.co ↗

Pros & Cons

Pros

Structured logging
Good for .NET
Good search
Self-hostable
Active development

Cons

.NET focused
Per-user pricing
Learning curve
Better alternatives exist
Windows focused

Ratings Across the Web

5(2 reviews)

SourceForge2 reviews

5/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Structured logsSearchDashboardsAlertsSelf-hosted.NET focus

Pricing Plans

30-day Free Trial

Pricing checked May 29, 2026

Individual

Free

Single user
50GB storage limit (2025)
Personal use
Core features

Team

$790/year

Multiple users
Higher data retention
Team collaboration

Standard

Custom

No data limits
Production workloads
Priority support

Datacenter

$7,990/year

Clustering support
Enterprise features
High availability

Calculate your cost View full pricing

How Seq's pricing compares

At $65.83/mo, Seq is mid-range of its 2 direct competitors ($48 to $89/mo across the set).

Datadog

$48

Seq

$65.83

Logz.io

$89

Entry paid plan, monthly. Pricing checked May 29, 2026.

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Best Seq Alternatives

Top alternatives based on features, pricing, and user needs.

DatadogFreemium

Cloud monitoring, security, and AI investigations for DevOps

4.4

Sumo LogicPaid

Cloud-native machine data analytics

4.5

SplunkPaid

Data platform for security and observability

4.4

ElasticsearchFreemium

Distributed search and analytics

4.3

Logz.ioFreemium

Cloud observability platform on Elastic

4.5

See all Log Management tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Seq vs DatadogHead-to-head: features, pricing, who wins Seq vs Sumo LogicHead-to-head: features, pricing, who wins Seq vs SplunkHead-to-head: features, pricing, who wins

Explore More

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Seq FAQ

Is Seq free?

Seq offers a free single-user license for development. Team licenses start at $52/month for production use with multiple users and advanced features.

What is Seq?

Seq is a structured log server designed for searching and analyzing application logs. It's particularly popular in the .NET ecosystem and supports structured logging formats natively.

Seq vs Elastic Stack?

Seq is simpler to set up and maintain, perfect for smaller teams. Elastic Stack (ELK) scales better for massive log volumes but requires more operational overhead.

Source: datalust.co

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